<template>
  <a-layout>
    <a-layout-content
        :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
    >
      <p>
        <a-form layout ="inline" :model="param">
          <a-form-item>
            <a-input v-model:value="param.name" placeholder="名称">
            </a-input>
          </a-form-item>
          <a-form-item>
            <a-button type="primary" @click="handleQuery({page:1,size:pagination.pageSize})">
              查询
            </a-button>
            <a-button type="primary" @click="add()">
              新增
            </a-button>
          </a-form-item>

        </a-form>
      </p >
      <a-table
          :columns="columns"
          :row-key="record => record.id"
          :data-source="ebooks"
          :pagination="pagination"
          :loading="loading"
          @change="handleTableChange"
      >
        <template #cover="{ text: cover }">
          <img v-if="cover" :src="cover" alt="avatar" />
        </template>
        <template v-slot:category="{ text, record }">
          <span>{{getCategoryName(record.category1Id)}} / {{getCategoryName(record.category2Id)}}</span>
        </template>
        <template v-slot:action="{ text, record }">
          <a-space size="small">
            <a-button type="primary" @click="showModal(record)">
              编辑
            </a-button>
            <a-popconfirm
                title="删除后不可恢复是否确认删除"
                ok-text="Yes"
                cancel-text="No"
                @confirm="handleDelete(record.id)"
                @cancel="cancel"
            >
              <a-button type="danger">
                删除
              </a-button>
            </a-popconfirm>
          </a-space>
        </template>
      </a-table>
    </a-layout-content>
  </a-layout>
  <div>
    <a-modal v-model:open="open" title="Title" :confirm-loading="confirmLoading" @ok="handleOk">
      <a-form :model="ebooks" :label-col="{span: 6}" :wrapper-col="{span: 18}">
        <a-form-item label="封面">
          <a-input v-model:value="ebooks.cover"/>
        </a-form-item>
        <a-form-item label="名称">
          <a-input v-model:value="ebooks.name"/>
        </a-form-item>
        <a-form-item label="分类">
          <a-cascader
              v-model:value="categoryIds"
              :field-names="{label:'name',value:'id',children:'children'}"
              :options="level1"
          />
        </a-form-item>
        <a-form-item label="描述">
          <a-input v-model:value="ebooks.description" type="textarea"/>
        </a-form-item>
      </a-form>
    </a-modal>
  </div>
</template>

<script lang="ts">
import { defineComponent, onMounted, ref } from 'vue';
import axios from 'axios';
import {message} from "ant-design-vue";
import {Tool} from "@/util/tool";

export default defineComponent({
  name: 'AdminEbook',
  setup() {
    const ebooks = ref();
    const pagination = ref({
      current: 1,
      pageSize: 4,
      total: 0
    });
    const loading = ref(false);
    const columns = [
      {
        title: '封面',
        dataIndex: 'cover',
        slots: { customRender: 'cover' }
      },
      {
        title: '名称',
        dataIndex: 'name'
      },
      {
        title: '分类',
        slots: {customRender: 'category'}
      },
      {
        title: '文档数',
        dataIndex: 'docCount'
      },
      {
        title: '阅读数',
        dataIndex: 'viewCount'
      },
      {
        title: '点赞数',
        dataIndex: 'voteCount'
      },
      {
        title: 'Action',
        key: 'action',
        slots: { customRender: 'action' }
      }
    ];
    /**
     * 数据查询
     **/
    const handleQuery = (params: any) => {
      loading.value = true;
      axios.get("/Ebook/list", {
        params:{
          page:params.page,
          size:params.size,
          name:param.value.name
        }
      }).then((response)=>{

        loading.value = false;
        const data = response.data;
        if (data.success){
          ebooks.value = data.content.list;
          // 重置分页按钮
          pagination.value.current = params.page;
          pagination.value.total=data.content.total;
        }else {
          message.error(data.message);
        }

      });
    };
    /**
     * 表格点击页码时触发
     */
    const handleTableChange = (pagination: any) => {
      console.log("看看自带的分页参数都有啥：" + pagination);
      handleQuery({
        page: pagination.current,
        size: pagination.pageSize
      });
    };
    const confirm=(e:MouseEvent)=>{
      console.log(e);
      message.success('Click on yes');
    };
    const cancel=(e:MouseEvent)=>{
      console.log(e);
      message.error('您取消了删除操作');
    }
    const param =ref();
    param.value={};
    onMounted(() => {
      handleQueryCategory();
      handleQuery({
        page:1,
        size:pagination.value.pageSize
      });
    });
    const categoryIds=ref();
    const level1 =ref();
    let categorys: any;

    const handleQueryCategory = () => {
      loading.value = true;
      axios.get("/category/all").then((response) => {
        loading.value = false;
        const data = response.data;
        if (data.success) {
          categorys =data.content;
          console.log("原始数组：",categorys);
          level1.value=[];
          level1.value=Tool.array2Tree(categorys,0);
          console.log("树形结构：",level1.value);
        } else {
          message.error(data.message);
        }
      });
    };

    const modalText =ref<string>('test');
    const open =ref<boolean>(false);
    const confirmLoading =ref<boolean>(false);
    const showModal =(record:any) =>{
      open.value=true;
      ebooks.value=Tool.copy(record);
      categoryIds.value=[ebooks.value.category1Id,ebooks.value.category2Id]
    };
    const add = () => {
      open.value=true;
      ebooks.value={};
    }
    const handleOk = () => {
      confirmLoading.value = true;
      ebooks.value.category1Id = categoryIds.value[0];
      ebooks.value.category2Id = categoryIds.value[1];
      axios.post("/Ebook/save", ebooks.value).then((response) => {
        confirmLoading.value=false;
        const data = response.data;
        if (data.success) {
          open.value = false;
          handleQuery({
            page: pagination.value.current,
            size: pagination.value.pageSize,
          });
        }else {
          message.error(data.message);
        }
      });
    };
    const getCategoryName =(cid:number)=>{
      let result ="";
      categorys.forEach((item:any)=>{
        if (item.id === cid){
          result=item.name;
        }
      });
      return result;
    };
    const handleDelete = (id:number) => {
      axios.delete("/Ebook/delete/"+id).then((response) =>{
        const data = response.data;
        if (data.success){
          handleQuery({
            page: pagination.value.current,
            size: pagination.value.pageSize,
          })
        }
      })

    }




    return {
      ebooks,
      pagination,
      columns,
      loading,
      level1,
      categoryIds,
      handleTableChange,
      showModal,
      handleOk,
      confirmLoading,
      modalText,
      open,
      add,
      handleDelete,
      confirm,
      cancel,
      handleQuery,
      param,
      getCategoryName,
    }
  }
});
</script>
<style scoped>
img {
  width: 50px;
  height: 50px;
}
</style>